HSK 6 HSK V7-9
Correct

心得

/ xīndé / 
Strokes

Definition

what one has learned (through experience, reading etc)/knowledge/insight/understanding/tips/CL:项[xiàng],个[gè]

Example

As a Noun

perception; understanding

1
Xīndé
心得
tǐhuì
体会

gains in depth of comprehension

2
Xuéxí
学习
xīndé
心得

knowledge gained by study

3
Tán
谈
xīnde
心得

talk about one's understanding

4
Jiāohuàn
交换
xīndé
心得

exchange perceptions/experience